3Com Switch 7700 Installation Manual page 16

S W I T C H 7 7 0 0 C O M P O N E N T S
Table 11 Attributes of the 8-port 1000BASEX (GBIC) GE Card
CPU
BootROM
SDRAM
Dimensions (L x W)
Maximum power consumption
Quantity of GBIC port(s)
Optional GBIC module types
Port transmission speed
Compliance
Every 8GBIC port has a green LED, as shown in Figure 7.
Figure 7 The 8-port 1000BASEX (GBIC) GE module panel
3C 16858
Table 12 describes the states of the LED.
Table 12 Description of the 8-port 1000BASEX (GBIC) GE module LED
Indicator
LINK/ACT
The cables for each of the supported 8GBIC modules are described in Table 13.
Table 13 Description of the module port cables
GBIC Module Type
3CGBIC91
3CGBIC92
3CGBIC93
3CGBIC97
8-port 10/100/1000BASE-T GE Card (8BT) (3C16861)
The 8BT module, shown in Figure 8, provides 8 external 10/100/1000Mbps auto-sensing Ethernet electrical ports.
16
Attribute
MPC850
512KB
64Mb
366.7mm x 340mm
50W
8
3CGBIC 91
3CGBIC 92
3CGBIC 93
3CGBIC 97
1000Mbps, full duplex
IEEE 802.3z
IEEE 802.3x
Green (LINK) — The port is connected to another port
Off (LINK) — The port has not been connected to any other port
Green Flashing — Data is being transmitted or received via the port.
Central Wave Length
850 nm
1550nm
N/A
1550nm
8GBIC
State description
Connector Type Fiber Interface
Specifications
SC 50/125 mm
Multimode Fiber
SC 9/125 mm Single
Mode Fiber
RJ-45 Cat 5E UTP
SC 9/125mm Single
Mode Fiber
Transmission
Distance
550 meters
10 Km
100 meters
70 Km